19813612

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1877}}^1$

素因数の和:1930

約数の個数: 48

約数和(自身を含む): 44170560

約数和(自身を除く): 24356948

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 182, 203, 364, 377, 406, 754, 812, 1508, 1877, 2639, 3754, 5278, 7508, 10556, 13139, 24401, 26278, 48802, 52556, 54433, 97604, 108866, 170807, 217732, 341614, 381031, 683228, 707629, 762062, 1415258, 1524124, 2830516, 4953403, 9906806, 19813612]

約数ペア:

[(1, 19813612), (2, 9906806), (4, 4953403), (7, 2830516), (13, 1524124), (14, 1415258), (26, 762062), (28, 707629), (29, 683228), (52, 381031), (58, 341614), (91, 217732), (116, 170807), (182, 108866), (203, 97604), (364, 54433), (377, 52556), (406, 48802), (754, 26278), (812, 24401), (1508, 13139), (1877, 10556), (2639, 7508), (3754, 5278)]